
Dr. Infrared Heater DR-988
Score: 70/100
Mr. Heater F271390
Score: 78/100Rankings

The Mr. Heater F271390 is a high-output portable propane heater designed for large, well-ventilated areas like construction sites and garages. It offers exceptional heating power and quieter operation than standard propane units. It is best suited for professionals and DIY enthusiasts who need reliable heat where electricity is unavailable.

The Dr. Infrared Heater DR-988 is a powerful industrial forced-air heater designed for large, drafty spaces like garages and workshops. It delivers rapid heat with high BTU output but requires a dedicated 240V/30A electrical outlet, limiting its residential applicability. It is best suited for contractors and DIYers with access to high-voltage power.
| Attribute | ![]() | ![]() |
|---|---|---|
600 sq ft | 3,125 sq ftbest | |
5,600 wattsbest | — | |
| ↓ lower better | 45 dBbest | — |
— | 11 hoursbest | |
2best | 2best | |
— | 10 ftbest | |
| ↓ lower better | 18 lbsbest | 20 lbs |
19,110 BTU | 125,000 BTUbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Design & Portability(1) | ||
Weight (lbs) | 18.0 lbs | 20 lbs |
Performance & Heating(3) | ||
Heating Coverage Area (sq ft) | 600 sq ft | 3125 sq ft |
Noise Level (dB) | 45 dB | unknown dB |
BTU Output (BTU) | 19110 BTU | 125000 BTU |
Controls & Features(1) | ||
Fan Mode | true | false |
Safety & Compliance(1) | ||
Safety Features | Auto overheat cut-off, finger-proof grills, high temperature limit | High Temperature Limit Switch |
Power & Electrical(2) | ||
Wattage (watts) | 5600 watts | N/A watts |
Voltage | 240 V | Propane |


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Professional reviewers consistently commend the F271390 for its high BTU output, reliable forced-air heating, and safety features such as the high-temperature limit switch. They also highlight the Quiet Burner Technology as a differentiator that makes the unit suitable for outdoor jobs where noise matters.



Everyday users echo the professional praise, emphasizing rapid heating of large spaces, long runtime on a single tank, and the convenience of the included hose and regulator. The most common feedback revolves around the unit's weight and the requirement to operate only in well-ventilated environments.